10 Karat Shell Cameo Pendant with Full Carved Person

10 Karat Yellow Gold pendant with a Shell Cameo that has a full, carved figure of a person. The necklace also has the original chain which is 14 Karat and set in Yellow Gold. The length of the chain is 18" and the length of the pendant is 1 1/8". The necklace dates from the 1900's.